公开(公告)号：US20220404729A1

公开(公告)日：2022-12-22

申请号：US17774606

申请日：2020-11-24

Applicant: Tomoegawa Co., Ltd.

Inventor： Yudai KIMURA ,  Ikuko YATSUZUKA ,  Takayuki SANO

IPC: G03G9/093

Abstract: [Object] To provide toner particles for developing an electrostatically charged image which are hardly affected by a particle size of resin fine particles and are more excellent in fixability and heat-resistant preservability.
[Solution] A toner particle for developing an electrostatically charged image including a toner base particle and a resin coating covering the toner base particle, in which the toner base particle includes a recess on a surface of the toner base particle, the recess includes a recess having a depth of 50 nm to 500 nm, the resin coating includes a coating (A) portion having a thickness of 10 nm or more and less than 50 nm and a coating (B) portion having a thickness of 50 nm or more and 500 nm or less, and the coating (B) portion is present on the recess.

公开(公告)号：US20190268685A1

公开(公告)日：2019-08-29

申请号：US16088384

申请日：2017-02-14

Applicant: TOMOEGAWA CO., LTD.

Inventor： Fukushi KAWAKAMI ,  Takayuki SANO

IPC: H04R1/08 ,  H04R1/32

Abstract: This invention provides a gun microphone wind shield to which a grip member can be easily attached and which maintains the function as a wind shield.There is provided a gun microphone wind shield includes: a first covering body that covers a gun microphone, has an elongated shape, and contains an acoustic transmissive material; a second covering body that covers the first covering body, has an elongated shape, and is formed from an elastic foaming body with open cells; and a hold portion that engages with the second covering body and is held in a predetermined position on the second covering body. The acoustic transmissive material includes a fiber material obtained by interlacing a raw material containing fibers.

公开(公告)号：US20190273986A1

公开(公告)日：2019-09-05

申请号：US16088416

申请日：2017-02-14

Applicant: TOMOEGAWA CO., LTD.

Inventor： Fukushi KAWAKAMI ,  Takayuki SANO

IPC: H04R1/32 ,  H04R1/08

Abstract: There is provided a gun microphone that can shut off properly wind noise such as whistling sounds while a gun microphone is used.The gun microphone wind shield includes a second covering body that defines a first space between the second covering body and a first covering body and a third covering body that defines a second space between the third covering body and the second covering body, and forms a second longitudinal flow path that moves the air having flowed into the second space along the longitudinal direction of the second covering body and a first longitudinal flow path that moves the air having flowed into the first space along the longitudinal direction of the first covering body.